var dom = document.getElementById('weather-left2');
var myChart = echarts.init(dom, null, {
  renderer: 'canvas',
  useDirtyRect: false
});
var app = {};
var ROOT_PATH = 'https://echarts.apache.org/examples';
var option;

const weatherIcons = {
  Sunny: ROOT_PATH + '/data/asset/img/weather/sunny_128.png',
  Cloudy: ROOT_PATH + '/data/asset/img/weather/cloudy_128.png',
  Showers: ROOT_PATH + '/data/asset/img/weather/showers_128.png'
};
const seriesLabel = {
  show: true
};

option = {
  title: {
    text: '天气统计',
    textStyle: {
			    fontSize:22,
			    fontWeight: 'bold',
	},
	top:'2.5%',
	left:'2%'
  },
  tooltip: {
    trigger: 'axis',
    axisPointer: {
      type: 'shadow'
    }
  },
  legend: {
    data: ['北京', '上海', '深圳'],
    textStyle: {
	    fontSize:16,
	},
    top:'3%'
  },
  grid: {
    left: 100,
    bottom:'8%'
  },
  toolbox: {
    show: false,
    feature: {
      saveAsImage: {}
    }
  },
  xAxis: {
    type: 'value',
    name: '天',
    axisLabel: {
      formatter: '{value}'
    }
  },
  yAxis: {
    type: 'category',
    inverse: true,
    data: ['Sunny', 'Cloudy', 'Showers'],
    axisLabel: {
      formatter: function (value) {
        //return '{' + value + '| }';//显示图
        //return '{' + value + '| }\n{value|' + value + '}'
        return   '{' + value + '| }\n{value|' + getDay(value)+'}';
      },

      margin: 20,
      rich: {
        value: {
          lineHeight: 30,
          align: 'center'
        },
        Sunny: {
          height: 40,
          align: 'center',
          backgroundColor: {
            image: weatherIcons.Sunny
          }
        },
        Cloudy: {
          height: 40,
          align: 'center',
          backgroundColor: {
            image: weatherIcons.Cloudy
          }
        },
        Showers: {
          height: 40,
          align: 'center',
          backgroundColor: {
            image: weatherIcons.Showers
          }
        }
      }
    }
  },
  series: [
    {
      name: '北京',
      type: 'bar',
      data: [165, 170, 30],
      label: seriesLabel,
      markPoint: {
        symbolSize: 1,
        symbolOffset: [0, '50%'],
        label: {
          formatter: '{a|{a}\n}{b|{b} }{c|{c}}',
          backgroundColor: 'rgb(242,242,242)',
          borderColor: '#aaa',
          borderWidth: 1,
          borderRadius: 4,
          padding: [4, 10],
          lineHeight: 26,
          // shadowBlur: 5,
          // shadowColor: '#000',
          // shadowOffsetX: 0,
          // shadowOffsetY: 1,
          position: 'right',
          distance: 20,
          rich: {
            a: {
              align: 'center',
              color: '#fff',
              fontSize: 18,
              textShadowBlur: 2,
              textShadowColor: '#000',
              textShadowOffsetX: 0,
              textShadowOffsetY: 1,
              textBorderColor: '#333',
              textBorderWidth: 2
            },
            b: {
              color: '#333'
            },
            c: {
              color: '#ff8811',
              textBorderColor: '#000',
              textBorderWidth: 1,
              fontSize: 22
            }
          }
        },
        // data: [
        //   { type: 'max', name: '天数最多: ' },
        //   { type: 'min', name: '天数最少: ' },
        // ]
      }
    },
    {
      name: '上海',
      type: 'bar',
      label: seriesLabel,
      data: [150, 105, 110]
    },
    {
      name: '深圳',
      type: 'bar',
      label: seriesLabel,
      data: [220, 82, 63]
    }
  ]
};

//英文转中文
function getDay(name){
    switch(name){
        case 'Sunny':
            return '晴天';
        case 'Cloudy':
            return '多云';
        case 'Showers':
            return '雨天';
    }
}


if (option && typeof option === 'object') {
  myChart.setOption(option);
}

window.addEventListener('resize', myChart.resize);